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Name

registerDefaultPluginHandler() — 注册默认插件处理器

说明

void registerDefaultPluginHandler(mixed callback);

注册一个默认的插件处理器,当编译程序无法找到模板中标签定义的时候,将调用这个处理器进行回调。 参数:

  • callback defines the PHP callback. it can be either:

    • A string containing the function name

    • An array of the form array(&$object, $method) with &$object being a reference to an object and $method being a string containing the method-name

    • An array of the form array($class, $method) with $class being the class name and $method being a method of the class.

当Smarty在编译过程中遇到未定义(没有注册的插件或者不在插件目录下)的标签时,Smarty将试图调用默认的插件处理器来处理。 如果未定义标签是在循环中,则该处理器将有可能被多次调用。

Example 14.38. 默认插件处理器例子


<?php

$smarty = new Smarty();
$smarty->registerDefaultPluginHandler('my_plugin_handler');

/**
 * 默认插件处理器
 *
 * 当Smarty在编译过程中遇到未定义的标签时调用
 * 
 * @param string                     $name      未定义标签的名称
 * @param string                     $type     标签类型 (比如: Smarty::PLUGIN_FUNCTION,Smarty::PLUGIN_BLOCK,
                                               Smarty::PLUGIN_COMPILER,Smarty::PLUGIN_MODIFIER,Smarty::PLUGIN_MODIFIERCOMPILER)
 * @param Smarty_Internal_Template   $template     模板对象
 * @param string                     &$callback    返回 回调函数名 
 * @param string                     &$script      当回调函数是外部的,可返回 函数所在脚本的路径。
 * @param bool                       &$cacheable    默认true, 如果插件是不可缓存的设置成false (Smarty >= 3.1.8)
 * @return bool                      成功返回true
 */
function my_plugin_handler ($name, $type, $template, &$callback, &$script, &$cacheable)
{
    switch ($type) {
        case Smarty::PLUGIN_FUNCTION:
            switch ($name) {
                case 'scriptfunction':
                    $script = './scripts/script_function_tag.php';
                    $callback = 'default_script_function_tag';
                    return true;
                case 'localfunction':
                    $callback = 'default_local_function_tag';
                    return true;
                default:
                return false;
            }
        case Smarty::PLUGIN_COMPILER:
            switch ($name) {
                case 'scriptcompilerfunction':
                    $script = './scripts/script_compiler_function_tag.php';
                    $callback = 'default_script_compiler_function_tag';
                    return true;
                default:
                return false;
            }
        case Smarty::PLUGIN_BLOCK:
            switch ($name) {
                case 'scriptblock':
                    $script = './scripts/script_block_tag.php';
                    $callback = 'default_script_block_tag';
                    return true;
                default:
                return false;
            }
        default:
        return false;
    }
 }

?>

  

Note

回调方法必须是静态的,如函数名称或者一个包含类和方法名的数组。

不支持如对象方法等动态的回调。

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